Seiko Cal. 5639 - 514

Seiko 5639-514

This Automatic model from 1976 features a 40mm Hardlex-Coated Steel case. Powered by the 5639 caliber with 28j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-d349d466a56a]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
10.9mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
130m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1976

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